/**
 * Copyright (C) 2022 Bonitasoft S.A.
 * Bonitasoft, 32 rue Gustave Eiffel - 38000 Grenoble
 * This library is free software; you can redistribute it and/or modify it under the terms
 * of the GNU Lesser General Public License as published by the Free Software Foundation
 * version 2.1 of the License.
 * This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU Lesser General Public License for more details.
 * You should have received a copy of the GNU Lesser General Public License along with this
 * program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
 * Floor, Boston, MA 02110-1301, USA.
 **/
package org.bonitasoft.console.common.server.servlet;

import javax.servlet.http.HttpServletRequest;

public class ResourceLocationReader {

    /**
     * file location
     */
    public final static String LOCATION_PARAM = "location";

    public String getResourceLocationFromRequest(final HttpServletRequest request) {
        String fileName = request.getParameter(LOCATION_PARAM);
        if (fileName == null) {
            final String pathInfo = request.getPathInfo();
            if (pathInfo != null && pathInfo.startsWith("/") && pathInfo.length() > 1) {
                //Support relative calls to the THEME from the homepage using ../theme
                fileName = pathInfo.substring(1);
            }
        }
        return fileName;
    }
}
